126551522 has 8 divisors (see below), whose sum is σ = 192230400. Its totient is φ = 62474724.

The previous prime is 126551521. The next prime is 126551531. The reversal of 126551522 is 225155621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (126551521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400322 + ... + 400637.

It is an arithmetic number, because the mean of its divisors is an integer number (24028800).

Almost surely, 2^126551522 is an apocalyptic number.

126551522 is a deficient number, since it is larger than the sum of its proper divisors (65678878).

126551522 is an equidigital number, since it uses as much as digits as its factorization.

126551522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 801040.

The product of its digits is 6000, while the sum is 29.

The square root of 126551522 is about 11249.5120783081. The cubic root of 126551522 is about 502.0601955297.

The spelling of 126551522 in words is "one hundred twenty-six million, five hundred fifty-one thousand, five hundred twenty-two".